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Operating Manual Dometic RM2351, RM2354, RM2451, RM2454

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Operating Manual Dometic RM2351, RM2354, RM2451, RM2454 OPERATING INSTRUCTIONS RM2351 RM2454 DM2652 DM2852 RM2354 RM2551 DM2662 DM2862 RM2451 RM2554 DM2663 NDM1062 FIRE OR EXPLOSION HAZARD If you smell gas: 4. Extinguish any open flame. 1. Open windows. 5. Shut off fuel supply. 2. Do not attempt to light appliance. 6. Evacuate immediately and call 3. Do not touch electrical switches. emergency services. Failure to follow these instructions could result in fire or explosion, which could cause property damage, personal injury, or death. FOR YOUR SAFETY Do not store or use gasoline or other flam- mable vapors and liquids in the vicinity of this or any other appliance. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this man- ual. For assistance or additional information consult a qualified installer, service agency or the gas supplier. If the refrigerator stops cooling - or - if it emits an ammonia smell, immediately turn the refrigerator off and contact a Service Center. REVISION D USA & CANADA SERVICE CENTER & Form No. 3313240.016 12/17 SERVICE OFFICE DEALER LOCATIONS (French 3313241.013_D) Dometic Corporation Please Visit: ©2017 Dometic Corporation 1120 North Main Street www.dometic.com LaGrange, IN 46761 Elkhart, IN 46514 INTRODUCTION Thank you for purchasing a new Dometic refrigerator. This product is a recreational vehicle refrigerator intended for the stor- age of fresh and frozen foods, as well as making ice. Appearance of your product may vary from illustrations shown in this document. Please read and be aware of possible safety hazards identified in this manual, and become familiar with the alert symbols on the refrigerator. Read this manual carefully so that you know how to operate the refrigerator safely and correctly. Keep this manual with the refrigerator for future reference. CONTENTS REFRIGERATOR OVERVIEW . 3 INSTRUCTIONS FOR USE . 6 STORAGE COMPARTMENTS . 9 PRODUCT CARE . 10 MAINTENANCE & SERVICE . 12 TROUBLESHOOTING . 14 APPENDIX A - SPARE PARTS . 15 APPENDIX B - REARVIEW EQUIPMENT . 17 APPENDIX C - WIRING DIAGRAM . 19 APPENDIX D - CONSUMER SUPPORT . 24 APPENDIX E - DOMETIC WARRANTY . 25 APPENDIX F - MAINTENANCE SCHEDULE . 26 SYMBOLS The following symbols are used throughout this manual: This is the safety alert symbol. It is used to alert you to personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE is used to address practices not related to personal injury. Information Step-by-step instructions 2 REFRIGERATOR OVERVIEW ABSORPTION COOLING SYSTEM WHEN THE REFRIGERATOR IS NOT When turning on the refrigerator, you should ad- IN USE just the thermostat (excludes RM2351, RM2451, Any absorption refrigerator that is to be taken out of ser- RM2551, DM2652 & DM2852 - not adjustable) to vice for an extended period of time should be turned off. the coldest temperature setting. The cooling cycle may require an extended running time before cool- It is important that you do not leave the refrigerator ing effect is observed. to run idle and/or unattended for days or weeks. LEVELING THE REFRIGERATOR Leveling is one of the requirements for proper operation AUTOMATIC ENERGY SELECTOR with absorption refrigerators. To ensure proper leveling the SYSTEM vehicle needs to be leveled so it is comfortable to live in The refrigerator is equipped with an automatic energy se- (no noticeable sloping of floor or walls). lector system. The user turns the refrigerator on and then, Any time the vehicle is parked for several hours with the the refrigerator automatically selects the most suitable en- refrigerator operating, the vehicle should be leveled to al- ergy source available, either 120 VAC or LP gas operation. low proper cooling. The system can be set by the user to be fully automatic When the vehicle is moving, the leveling is not critical, as (AUTO mode is selected) or to operate on LP gas only (AUTO mode is off). the rolling and pitching movement of the vehicle will pass to either side of level, keeping the liquid ammonia from On 3-way models, the control system can manually be set accumulating in the evaporator tubing. to DC mode (DC operation). The DC mode overrides all other operating modes. OPERATING REFRIGERATOR AT HIGH The refrigerator controls will work down to 9.6 VDC. ALTITUDE All gas appliances experience lowered efficiency (or rat- ing) at high altitude This is a direct result of lower atmos- pheric pressure and oxygen levels, and is not a defect of the refrigerator. Reduced cooling performance and burner outage may occur at altitudes higher than 5500 feet above sea level (while operating on LP gas). Always operate refrigerator on electric power at altitudes higher than 5500 feet. PURGING AIR FROM THE LINES If the refrigerator has not been used for a long time - or - the LP tanks have just been refilled, air may be trapped in the supply lines. To purge the air from the lines, turn the refrigerator off and on by pressing the ON/OFF button. If the flame is not lit within 45 seconds, turn the refrigerator off and back on again. This procedure can be repeated 3 to 4 times. If repeated attempts fail to start the LP gas opera- tion, check to make sure that the LP gas supply tanks are not empty and that all manual shutoff valves in the lines are open. If the problem persists, turn the refrigerator off and take it to a Service Center. 3 REFRIGERATOR OVERVIEW CONTROL PANEL RM2351, RM2451, RM2551, DM2652 & DM2852 1. ON/OFF button (main power) A B 2. AUTO/GAS mode selector button A. AUTO mode indicator lamp ON AUTO CHECK indicator lamp 1 2 AUTOMATIC REFRIGERATOR TEMPERATURE CONTROL B. CHECK OFF GAS (GAS mode only) RM2354, RM2454, RM2554 & DM2663 1. ON/OFF button (main power) 2. DC mode selector button A D E 3. AUTO/GAS mode selector button ON DC AUTO COLD 1 2 3 4 5 COLDEST 4. Temperature selector button 1 2 3 4 mode indicator lamp OFF AC GAS CHECK A. DC B. AC mode indicator lamp C. GAS mode indicator lamp B C F D. AUTO mode indicator lamp E. CHECK indicator lamp (GAS mode only) F. Temperature indicator lamps DM2662, DM2862 & NDM1062 1. ON/OFF button (main power) 2. AUTO/GAS mode selector A D button 3. Temperature selector button ON AUTO COLD 1 2 3 4 5 COLDEST A. AUTO mode indicator lamp 1 2 3 B. AC mode indicator lamp OFF AC GAS CHECK C. GAS mode indicator lamp D. CHECK indicator lamp indicator lamps B C E E. Temperature NDM1062 1. ON/OFF button (main power) 2. AES/AUTO/GAS mode B D selector button 3. Temperature selector button AES ON AUTO COLD 1 2 3 4 5 COLDEST CLC LAC 4. Climate control button 1 2 3 4 5 OFF AC GAS CHECK 5. Low ambient control button A C E F G A. AC mode indicator lamp B. AES/AUTO mode indicator lamp C. GAS mode indicator lamp D. CHECK indicator lamp E. Temperature indicator lamps F. Climate control indicator lamp G. Low ambient control indicator lamp 4 REFRIGERATOR OVERVIEW MODES OF OPERATION LIMP MODE OF OPERATION AUTO MODE - AES/AUTO MODE In the event of a failure of a major operating component, the control system will continue to operate the cooling When operating in AUTO - AES/AUTO mode, the AUTO system. - AES/AUTO mode indicator lamp is illuminated. The con- trol system will automatically select between AC and GAS RM2351, RM2451, RM2551, DM2652 & DM2852 operation. AC has priority over GAS. Should AC become unavailable, the system automatically switches to GAS. If the control can not read the temperature sensor and As soon as AC becomes available again, the control will control the preset temperature, the control will run the switch back to AC regardless of the status of the GAS cooling unit continuously at the energy source available. operation. The refrigerator will continue to operate in this mode in- If the CHECK indicator lamp is illuminated the controls definitely - or - until a new sensor is installed and the sys- have failed to ignite the burner in the GAS mode. To re- tem reset. start an ignition attempt with the CHECK lamp illuminated (or to turn off the CHECK lamp), press the ON/OFF button RM2354, RM2454, RM2554, DM2662, DM2663, DM2862 & OFF and back ON again. The control system activates NDM1062 the ignition system and makes three attempts to light the Two modes of operation can occur: burner for a period of approximately 45 seconds at two 1) The first limp mode of operation will execute if the minutes interval. Should 120 VAC become available while display module becomes non functional. The control the CHECK indicator lamp is on, the CHECK lamp will not system reverts to full automatic operation selecting turn off until the ON/OFF button is pressed OFF and then the best energy source available with AC, DC (3- ON again. way only) and GAS priority. The temperature setting GAS MODE is maintained at the mid position. The power module will continually attempt to reestablish operation of the RM2351, RM2451, RM2551, DM2652 & DM2852: display module. When operating in GAS mode, the AUTO mode indicator 2) The second limp mode of operation will execute when lamp will be off. a failure of the temperature sensing device or associ- RM2354, RM2454, RM2554, DM2662, DM2663, DM2862 & ated electronic circuitry occurs. If this should happen, NDM1062: When operating in GAS mode, the GAS Mode the control system operates on the energy source se- indictor lamp is illuminated.
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